Hach Chlorine Sensor User Manual

Data logThe controller provides one data log for each sensor. The data log storesthe measurement data at selected intervals (user configurable). The datalog can be read out in a CSV format. For instructions on downloading thelogs, please refer to the controller user manual.Refer to Select the parameters on page 11 for information about settingtime intervals for data storage in the data log.Modbus registersA list of Modbus registers is available for network communication. Referto the manufacturer's website for more information.MaintenanceW A R N I N GMultiple hazards. Do not disassemble the instrument for maintenance.If the internal components must be cleaned or repaired, contact themanufacturer.C A U T I O NMultiple hazards. Only qualified personnel must conduct the tasksdescribed in this section of the document.Maintenance scheduleMaintenance task FrequencyPolish the electrode When sensor readings are unstable orthe slope is too lowReplace the membrane cap6 1 year(The cap may need to be replacedmore often depending on waterquality.)Maintenance task FrequencyReplace the electrolyte 3 to 6 monthsReplace the sensor 3 years(The sensor may need to be replacedmore often depending on water qualityand application.)Remove the sensor from the flow cellNote: The sensor can be removed from water for up to 1 hour to do maintenanceon the sensor. The membrane cap and electrolyte will need to be replaced after1 hour.6 The electrolyte is replaced when the membrane cap is replaced.16 English